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Fe(II) and Mn(II) removal from contaminated groundwater by adsorption: A comparison of activated carbon and pine bark

TitoloFe(II) and Mn(II) removal from contaminated groundwater by adsorption: A comparison of activated carbon and pine bark
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2018
AutoriSbaffoni, Silvia, Boni M.R., Tedesco P., and Vaccari M.
RivistaEnvironmental Engineering and Management Journal
Volume17
Paginazione1989-1999
ISSN15829596
Abstract

This paper aims to compare the adsorption performance of activated carbon and pine bark for iron and manganese removal from contaminated groundwater. Moreover, their environmental compatibility was checked for their possible use as reactive media in a permeable reactive barrier for in situ remediation. Batch tests were carried out with different iron and manganese concentrations and different particle-size distributions, in order to evaluate the effectiveness of the activated carbon and pine bark on removal depending on both the initial pollutant concentration and the surface area of the adsorbent. High removal efficiencies were reached by both of the reactive media. However, faster removal at higher concentration was observed only for iron adsorption by activated carbon. The particle-size distribution did not significantly influence the process in the experimental conditions tested. The immobilization process on the reactive media can be considered almost irreversible since the quantities of iron and manganese released during the desorption tests were negligible. © 2018, Gheorghe Asachi Technical University of Iasi, Romania. All rights reserved.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85069469695&doi=10.30638%2fEEMJ.2018.198&partnerID=40&md5=65f40d7e70a307b1d8f2f87faca231ce
DOI10.30638/EEMJ.2018.198
Citation KeySbaffoni20181989